There’s been a massive explosion at a Marathon refinery in southwest Detroit, according to local sources.

Authorities on scene don’t know much yet, but it’s never too early to politicize an explosion. How could Gov. Rick Perry let this happen?

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Update: WXYZ-TV reporter Andy Choi says that the smoke has cleared out and residents have been given the all-clear to return to their homes.

Twitchy will update this post as details emerge.